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authorDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
committerDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
commit67d25d837ac55f28a366c0a3b262e439a6e75fc3 (patch)
treedf7715c7724c5935ab87c807f3b8b4ef529315e3 /amforth-6.5/common/words/2swap.asm
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/common/words/2swap.asm')
-rw-r--r--amforth-6.5/common/words/2swap.asm24
1 files changed, 24 insertions, 0 deletions
diff --git a/amforth-6.5/common/words/2swap.asm b/amforth-6.5/common/words/2swap.asm
new file mode 100644
index 0000000..1056c54
--- /dev/null
+++ b/amforth-6.5/common/words/2swap.asm
@@ -0,0 +1,24 @@
+; ( x1 x2 x3 x4 -- x3 x4 x1 x2 )
+; Stack
+; Exchange the two top cell pairs
+
+.if cpu_msp430==1
+ HEADER(XT_2SWAP,5,"2swap",DOCOLON)
+.endif
+
+.if cpu_avr8==1
+VE_2SWAP:
+ .dw $ff05
+ .db "2swap",0
+ .dw VE_HEAD
+ .set VE_HEAD = VE_2SWAP
+XT_2SWAP:
+ .dw DO_COLON
+PFA_2SWAP:
+
+.endif
+ .dw XT_ROT
+ .dw XT_TO_R
+ .dw XT_ROT
+ .dw XT_R_FROM
+ .dw XT_EXIT